
#box1css{
    width: 100px;
    height:100px;
    /* background-image:url('./1.png');
    background-repeat: no-repeat;
    background-size:100% 100% */
}
#box2css{
    width: 100px;
    height:100px;
    /* background-image:url('./2.png');
    background-repeat: no-repeat;
    background-size:100% 100% */
}